#define LED1_Pin GPIO_Pin_5
#define LED0_Pin GPIO_Pin_5
#define KEY0_Pin GPIO_Pin_4
#define KEY1_Pin GPIO_Pin_3
#define KEY0_EXTI_LINE EXTI_Line4
#define KEY1_EXTI_LINE EXTI_Line3
#define KEY0_PinSource GPIO_PinSource4
#define KEY1_PinSource GPIO_PinSource3


